LA MI ACE A E 1047 



7-8 mm. long, the upper lip oblong, retuse, the lower lip 3-lobed ; lobes nearly oblong, 

 obtuse, the middle one narrower and longer than the others. 



In woods in the mountains, Virginia and West Virginia to Georgia and Alabama. Summer. 



10. Koellia aristata (Michx. ) Kuntze. Stems more or less densely puberulent, 4-9 

 dm. tall, branched above: leaf-blades oblong-lanceolate to ovate-lanceolate, 1.5-5 cm. 

 long, acute or rather obtuse, entire or shallowly serrate, rounded or subcordate at base, 

 short -petioled or nearly sessile : heads dense : calyx 5-6 mm. long ; lobes slightly unequal, 

 lanceolate-subulate, about as long as the tube : corolla pink or whitish, slightly longer 

 than the calyx, the upper lip and lobes of lower lip rounded. 



In pine lands, New Jersey to Florida and Louisiana. Summer and fall. 



11. Koellia hyssopifolia (Benth.) Britton. Stems puberulent, 4-10 dm. tall, 

 branching above : leaf-blades narrowly oblong to linear, 1-3.5 cm. long, usually entire, 

 sessile or nearly so : clusters dense, subglobose : calyx 5-6 mm. long ; tube prominently 

 ribbed ; lobes subulate-tipped, nearly equal, at least as long as the tube : corolla pink or 

 whitish, slightly longer than the calyx, the upper lip minutely toothed at the apex, the 

 lower lip with a middle lobe much longer than the lateral lobes : style pubescent above. 



In pine lands, Virginia to Florida. Summer. 



12. Koellia Hugeri Small. Stems densely cinereous-tomentulose, 5-7 dm. tall, 

 branching above : leaf-blades oblong, 1.5-4 cm. long, acute, entire or sparingly serrate, 

 sessile or nearly so : clusters dense : calyx 7-8 mm. long, puberulent ; lobes nearly equal, 

 aristate-tipped, pale, as long as tube or longer : corolla pink, surpassed by the calyx-lobes, 

 the upper lip truncate, the lower lip 3-lobed, its middle lobe oblong, its lateral lobes round- 

 ovate : style glabrous. 



On mountain slopes and in meadows, summit of the Blue Ridge, North Carolina. Summer. 



13. Koellia alb<scens (T. & G. ) Kuntze. Stems whitish with minute velvety 

 pubescence throughout. Stems 4-10 dm. tall, sparingly or finely and corymbosely 

 branched above: leaf-blades ovate to elliptic or ovate-lanceolate, 2-7 cm. long, serrate, 

 acute or slightly acuminate : bracts minutely velvety, but beardless : calyx 2-3 mm. long, 

 slightly curved, beardless ; lobes triangular to ovate-triangular : corolla pink, 5-6 mm. 

 long, the lobes rounded, or the upper lip and middle lobe of the lower lip barely emargi- 

 nate. 



In sandy soil, often in dry woods, Virginia to Missouri, Florida and Texas. Summer and fall. 



14. Koellia incana (L. ) Kuntze. Stems softly pubescent and more or less hirsute, 

 5-12 dm. tall, simple below, branched above, 4-angled : leaf-blades ovate, elliptic or lanceo- 

 late, 3-10 cm. long, acute or short-acuminate, remotely serrate, narrowed into short peti- 

 oles, hoary beneath, and the upper ones on both sides: clusters rather loose, 2-3.5 cm. 

 broad : calyx tubular, curved near the top, subtended by narrow subulate bracts ; tube 

 ribbed, 4 mm. long ; lobes triangular or triangular-lanceolate, awn-tipped : corolla 7-8 

 mm. long, the upper lip oblong, pale lilac, minutely notched and ciliolate at the apex, the 

 lower lip 3-lobed, spotted with lilac, the lateral lobes rounded, the terminal one obovate, 

 crenulate, with a yellowish spot in the center. 



In thickets and on wooded hillsides, Maine and Ontario to Ohio and Florida. Summer and fall. 



15. Koellia pycnanthemoides (Leavenw.) Kuntze. Stems canescent or glabrous 

 below, 6-14 dm. tall, more or less widely branching : leaf-blades ovate, elliptic or elliptic- 

 lanceolate, 2-10 cm. long, the upper ones white-canescent, acute or acuminate, serrate, nar- 

 rowed into short villous-hirsute petioles : clusters rather loose, 1.5-3.5 cm. broad : bracts 

 often linear-spatulate, with long hairs near the apex : calyx 5-6 mm. long ; lobes lanceo- 

 late-subulate, with long hairs : corolla pale lilac, 7-8 mm. long, the upper lip narrowly 

 oblong, obtuse, the lower lip spotted with garnet and magenta, 3-lobed, the middle lobe ob- 

 long, curved upward. \_Pycnanthemum Tullia Benth.] 



In mountain woods and thickets, Virginia to Kentucky, Georgia and Alabama. Summer. 



16. Koellia dubia (A. Gray.) Small. Stems finely hirsute, 4-9 dm. tall, branching : 

 leaf-blades lanceolate to linear-elliptic, 2-8 cm. long, acute or acuminate, serrate or nearly 

 entire, narrowed into short petioles : clusters becoming dense, 1-2 cm. thick : bracts 

 linear-filiform or slightly broadened at the middle : calyx about 4 mm. long ; tube finely 

 pubescent ; lobes at least as long as the tube, each with a triangular or lanceolate body and 

 a subulate conspicuously bearded tip : corolla pink or lilac, 6-7 mm. long ; tube slightly 

 curved, the upper lip, and lobes of lower lip, mostly rounded. [Pycnanthemum Tullia var. 

 dubium A. Gray.] 



On mountain slopes, Ashe County, North Carolina. Summer. 



17. Koellia Beadlei Small. Stems minutely pubescent, 5-8 dm. tall, simple or 

 sparingly branched : leaf-blades resinous-dotted, the floral ones slightly canescent, oblong- 



